body {
  font-family: Arial, sans-serif;
  background: url('./登录背景.jpg') center/cover no-repeat;
  background-color: #f0f0f0;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}
.container {
  background-color: rgba(255, 255, 255, 0.5);
  padding: 40px;
  border-radius: 5px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
  width: 340px;
}
h1 {
  text-align: center;
  color: #333;
}
.form-group {
  margin-bottom: 10px;
}
label {
  display: block;
  margin-bottom: 5px;
  color: #666;
}
input[type="text"], input[type="password"] {
  width: 100%;
  padding: 8px;
  font-size: 16px;
  border: 1px solid #ccc;
  border-radius: 3px;
}
button[type="submit"] {
  width: 100%;
  padding: 10px;
  background-color: #007bff;
  color: #fff;
  border: none;
  cursor: pointer;
  border-radius: 3px;
  font-size: 16px;
}
button[type="submit"]:hover {
  background-color: #0056b3;
}
p {
  text-align: center;
  margin-top: 10px;
  font-size: 14px;
}
a {
  color: #007bff;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}